Question: When did Jim Skinner stop being McDonald's chief executive officer?
Paraphrase: When Jim Skinner stepped down from his position as McDonald's chief executive officer, what was the date?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q38076 p:P169 ?s . ?s ps:P169 wd:Q1355678 . ?s pq:P582 ?value}